Hioki-3550
Instantaneous check on battery deterioration. Model 3550 for medium-capacity lead-acid storage batteries: UPS and similar applications
Model 3551: support for high-capacity batteries
Model 3555: for compact storage batteries (portable telephones)
The increasing importance of battery testing
Three-rank rating of battery state: Pass, Warning, or Fail
Especificaciones básicas  
Resistance Measurement 30 m-Ohm to 3 Ohm, 3 ranges, 10 µ-Ohm resolution max.
Voltage Measurement 3 or 30 V DC, 2 ranges, 1 mV resolution max
Temperature Measurement -10 to 60 °C, 1 range, 0.1 °C resolution (platinum sensor)
Sampling rate 0.83 times/second
Comparator functions Setting: Upper and lower limit for resistance, and lower limit for voltage,
Output: LED, beep
Other functions Data memory, Printer interface (9203 or Centronics)
Power supply LR6(AA) ×6
Dimensions, mass 196 mm(7.72 in)W × 130 mm(5.12 in)H × 50 mm(1.97 in)D, 710 g (25.0 oz) (including batteries)
Accessories CLIP-TYPE LEAD WITH TEMPERATUR SENSOR 9460 (1), CARRYING CASE 9382 (1), Dust cover(1), LR6 battery(6)